141091 has 4 divisors (see below), whose sum is σ = 142000. Its totient is φ = 140184.

The previous prime is 141079. The next prime is 141101. The reversal of 141091 is 190141.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141091 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (141041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156 + ... + 553.

It is an arithmetic number, because the mean of its divisors is an integer number (35500).

2¹⁴¹⁰⁹¹ is an apocalyptic number.

141091 is a deficient number, since it is larger than the sum of its proper divisors (909).

141091 is an equidigital number, since it uses as much as digits as its factorization.

141091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 141091 is about 375.6208194443. The cubic root of 141091 is about 52.0594733734.

The spelling of 141091 in words is "one hundred forty-one thousand, ninety-one".